Submission #569579

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
569579	2022-05-27 14:22:18	hoanghq2004	Hexagonal Territory (APIO21_hexagon)	C++14	30 / 100	51 ms	8556 KiB

hexagon

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#include <bits/stdc++.h>
#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include "hexagon.h"
using namespace __gnu_pbds;
using namespace std;
template <typename T>
using ordered_set = tree <T, null_type, less <T>, rb_tree_tag, tree_order_statistics_node_update>;
const int mod = 1e9 + 7;
const int N = 2e5 + 10;
struct Vector {
    long long x, y;
    Vector operator - (const Vector& other) const {
        return {x - other.x, y - other.y};
    }
    long long operator * (const Vector& other) const {
        return x * other.y - y * other.x;
    }
} P[N];
int dx[6] = {0, 1, 1, 0, -1, -1};
int dy[6] = {1, 1, 0, -1, -1, 0};
int power(int a, int n) {
 
 
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Compilation message (stderr)

hexagon.cpp: In function 'int draw_territory(int, int, int, std::vector<int>, std::vector<int>)':
hexagon.cpp:50:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Vector>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |     for (int i = 1; i < P.size(); ++i) S += P[i - 1] * P[i];
      |                     ~~^~~~~~~~~~

• Subtask 1: 3 / 3
• Subtask 2: 0 / 6
• Subtask 3: 0 / 11
• Subtask 4: 12 / 12
• Subtask 5: 15 / 15
• Subtask 6: 0 / 19
• Subtask 7: 0 / 18
• Subtask 8: 0 / 16